Alert archive / Colorado / Flash Flood Warnings in 2017
Flash Flood Warning 21, NWS Goodland, KS
NWS Goodland, KS issued this flash flood warning at Jun 2, 2017, 8:29 PM MDT for Yuma County, Colorado. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jun 2, 2017, 8:29 PM MDT (02:29 UTC)
- Expired
- Jun 2, 2017, 11:30 PM MDT
- In force
- 3 hr
- Issued by
- NWS Goodland, KS
- Area
- Storm-based polygon
- Flood severity
- None
County Yuma County, CO
The radar
The Goodland radar (KGLD), 135 km from the middle of the area, began a volume at 02:28 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Denver, CO (KDEN), launched 00:00Z, 2.5 hours before the alert went out and 71 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 46 J/kg
- Mixed-layer CIN
- -111 J/kg
- Mixed-layer LCL
- 1690 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- -10 m²/s²
- 0-3 km storm-relative helicity
- -25 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
831
WGUS53 KGLD 030229
FFWGLD
COC125-030530-
/O.NEW.KGLD.FF.W.0021.170603T0229Z-170603T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Goodland KS
829 PM MDT FRI JUN 2 2017
The National Weather Service in Goodland has issued a
* Flash Flood Warning for...
Northwestern Yuma County in northeastern Colorado...
* Until 1130 PM MDT
* At 829 PM MDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Up to four inches of rain have
already fallen. Flash flooding is expected to begin shortly.
* Some locations that will experience flooding include...
Yuma and Clarkville.
Additional rainfall amounts of a half inch to inch are possible in
the warned area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, country roads, farmland, and other low lying
spots.
A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.
&&
LAT...LON 4044 10240 4003 10279 4032 10279 4035 10278
4044 10278
$$
Lundquist3 follow-up statements
910
WGUS73 KGLD 030323
FFSGLD
Flash Flood Statement
National Weather Service Goodland KS
923 PM MDT FRI JUN 2 2017
COC125-030530-
/O.CON.KGLD.FF.W.0021.000000T0000Z-170603T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Yuma CO-
923 PM MDT FRI JUN 2 2017
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1130 PM MDT FOR
NORTHWESTERN YUMA COUNTY...
At 922 PM MDT, Doppler radar indicated up to three inches of rain
have already fallen. Flash flooding is expected to begin shortly.
Some locations that will experience flooding include...
Yuma and Clarkville.
Additional rainfall amounts of a half inch or less are possible in
the warned area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, country roads, farmland, and other low lying
spots.
A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.
&&
LAT...LON 4044 10240 4003 10279 4032 10279 4035 10278
4044 10278
$$
Lundquist478
WGUS73 KGLD 030442
FFSGLD
Flash Flood Statement
National Weather Service Goodland KS
1042 PM MDT FRI JUN 2 2017
COC125-030530-
/O.CON.KGLD.FF.W.0021.000000T0000Z-170603T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Yuma CO-
1042 PM MDT FRI JUN 2 2017
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1130 PM MDT FOR
NORTHWESTERN YUMA COUNTY...
At 1041 PM MDT, Doppler radar indicated up to four inches of rain
had fallen. Flash flooding may already be occurring.
Some locations that will experience flooding include...
Yuma and Clarkville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, country roads, farmland, and other low lying
spots.
A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.
&&
LAT...LON 4044 10240 4003 10279 4032 10279 4035 10278
4044 10278
$$
Lundquist453
WGUS73 KGLD 030524
FFSGLD
Flash Flood Statement
National Weather Service Goodland KS
1124 PM MDT FRI JUN 2 2017
COC125-030533-
/O.EXP.KGLD.FF.W.0021.000000T0000Z-170603T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Yuma CO-
1124 PM MDT FRI JUN 2 2017
...THE FLASH FLOOD WARNING FOR NORTHWESTERN YUMA COUNTY WILL EXPIRE
AT 1130 PM MDT...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed any remaining road closures.
LAT...LON 4044 10240 4003 10279 4032 10279 4035 10278
4044 10278
$$
LundquistThe office that day
Everything else NWS Goodland, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 2, 6:00 PM MDT | Special Weather Statement | GLD | Yuma | 15 min |
| Jun 2, 6:04 PM MDT | Flash Flood Warning | GLD | Yuma | 5 hr |
| Jun 2, 6:32 PM MDT | Special Weather Statement | GLD | Kit Carson | 13 min |
| Jun 2, 7:12 PM MDT | Flash Flood Warning | GLD | Kit Carson | 5 hr |
| Jun 2, 8:07 PM MDT | Flash Flood Warning | GLD | Kit Carson, Yuma | 4 hr |
| Jun 2, 8:47 PM MDT | Flash Flood Warning | GLD | Kit Carson | 3 hr |
| Jun 2, 9:09 PM MDT | Special Weather Statement | GLD | Cheyenne | 21 min |
| Jun 2, 9:30 PM MDT | Special Weather Statement | GLD | Cheyenne | 15 min |
| Jun 2, 10:09 PM MDT | Flash Flood Warning | GLD | Cheyenne | 3 hr |
| Jun 2, 11:44 PM MDT | Areal Flood Warning | GLD | Kit Carson, Yuma | 12 hr |
Nearby
Flash Flood Warnings in Colorado, 2017Every flash flood warning in 2017
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.